Stress balanced cutting structure

Details Stress balanced cutting structure Stress balanced cutting structure

E - Fixed Constructions

21

B

E21B 10/43 (2006.01) E21B 10/16 (2006.01) E21B 10/55 (2006.01)

Patent

CA 2556040

A method for designing a drill bit including selecting a characteristic associated with a failure mode. A first value of the characteristic of a first cutting element and a second value for the characteristic of a second cutting element are determined. The method also includes determining whether a difference between the first value and the second value is within a predetermined range. A cutting element design parameter for the first cutting element is adjusted if the difference is outside the predetermined range. The determining first and second values, determining the difference, and adjusting a cutting element design parameter are repeated until the difference is within the predetermined range.

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